Re: Did we really want to force an initdb in beta2? - Mailing list pgsql-hackers

Dave Page <dpage@pgadmin.org> writes:
> On Fri, Jun 4, 2010 at 4:30 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> XLOG_PAGE_MAGIC --- bump on incompatible change in WAL contents

> How can I get that from an existing data directory? I don't see it in
> pg_controldata output (unless it has a non-obvious alias).

You'd need to pull it out of one of the WAL files.  I'm not sure it's
worth the trouble ...
        regards, tom lane